Created attachment 1208205 [details]
Deployer yaml

Description of problem:

Tried to run the metrics deployer with MODE=redeploy and it failed with the following messages (full log attached):

PREFLIGHT CHECK SUCCEEDED
validate_master_accessible: ok
validate_hostname: The HAWKULAR_METRICS_HOSTNAME value is deemed acceptable.
validate_deployer_secret: ok
Deleting any previous deployment
POD_NAME metrics-deployer-yoscr
The Pod "metrics-deployer-yoscr" is invalid.
spec: Forbidden: pod updates may not change fields other than `containers[*].image` or `spec.activeDeadlineSeconds`



Version-Release number of selected component (if applicable): 3.3.0.34


How reproducible: always on the cluster I hit it on.  Not sure about other clusters.


Steps to Reproduce:
1. I ran the metrics deployer but hit an issue where the heapster pod was Running but did not go to ready - it was having an issue talking to the Hawkular pod using the internal DNS service name.
2. Decided to try redeploying.   Instead of a manual cleanup, decided to try the redeploy.   Ran the deployer with the exact same parameters as on deploy, but specified MODE=redeploy (deployer yaml attached).


Actual results:

Redeploy failed with the messages above

Expected results:

Redeploy succeeds (or at least gets me back to where I was)